Microsoft's Surface Pro tablet with the Windows 8 OS was introduced on market on Feb. 9, with $899 starting price.

For the last few month we have found a lot of alternatives for the Surface Pro from Samsung, Acer, Lenovo,Hewlett-Packard and many other tablets with Windows 8 OS. Most of them come with touchscreens and Intel's Core processors, and a keyboard attachment turns the tablets into full Windows 8 laptops, also has 128GB of storage. For example Surface pro is available only with a 10.6-inch screen and comes in models with 64GB or 128GB of storage.

Most of those tablets has same disadvantages because the Core processor is using a lot of power, that's why so these tablets won't offer the battery life of Microsoft's Surface RT or Android tablets, or even Windows 8 tablets running on Intel's tablet-specific Atom chip code-named Clover Trail. Surface Pro will be nice alternative to people who are looking PC and Tablet in one device, because Windows RT devices are not allowed to run existing Windows apps

Multimode Yoga 13 from Lenovo

The Chinese PC maker is selling multimode Yoga 13 with pricing at $1,049 with a 13.3-inch touchscreen. Unlike the Surface Pro Yoga turns into a tablet by folding the screen, which leaves the keyboard exposed and it's little bit uncomfortable when you hold your fingers flitting over the non-functioning keys at the back of the device. However device is really popular and featured with Intel's Core i3 processor, has a 13.3-inch screen with (1600x900 resolution), weighs 1.5 kilograms and offers eight hours of battery life and also has a webcam. Device is available on Lenovo's website

A smaller version of the Yoga 13, the Yoga 11, with Windows RT and an ARM processor, starts at $749.

Samsung's Ativ Tab Smart PC Pro 700T

Samsung's Ativ Tab Smart PC Pro 700T is designed very similar to the Surface Pro; has detaches keyboard base to become a tablet and looks truer to tablets than Lenovo's Yoga 13.

The Samsung's Ativ Tab Smart PC is offering with a Core i5 processor, an 11.6-inch (1920x1080 resolution)screen; weighs 857 grams in tablet mode; roughly 8 hours of battery life on active usage, and 4 hours on video; 4GB of RAM; includes webcams on the back and front; a Micro-SD slot and a micro-HDMI port. Sumsung sells Ativ Tab Smart PC with Windows 8 for $1,199 and cheapest version the Ativ Smart PC 500T Tablet with Intel's Clover Trail processors for $749, all tablets is available via Samsung's website.

Acer Iconia W700

Other large PC makes Acer is offering Iconia W700 with an Intel Core i5 processor; 128GB of storage; 11.6-inch screen with 1920 x 1080 resolution; weighs 1.04 kilograms; eight hours of battery life; micro-HDMI port, a 5-megapixel back camera and a front camera; costs about $999 on Official Acer's website. A little bit cheapest 64GB version that was offered for $799 or even for $750 on some multiple retail sites.

Asus is offering hybrid model with the dual-screen Taichi ultrabook, which has two screens. The Taichi ultrabook looks like a laptop with an 11.6-inch screen, but when you closing the laptop is activates another touchscreen on the back panel and becomes a tablet.

Asus Taichi ultrabook is offering in two models. The Taichi 21 DH51 model has an Intel Core i5 processor; 128GB of storage, costs about $1,288. A Taichi 21 DH71 has the faster Intel Core i7 processor; 256GB SSD storage, costs about $1,565. The models weigh 1.2 kilograms; 11.6-inch screens with 1920x1080-resolution; 4GB of RAM, a 5-megapixel webcam and two USB 3.0 ports. Both models are available at Amazon.com